Home / 79,375.04-109,529.58-47,543.12

Finding the Fourth Proportional to 79,375.04, 109,529.58 and 47,543.12

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Solution

The fourth proportional to 79,375.04, 109,529.58 and 47,543.12 is: 65,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,375.04 : 109,529.58 = 47,543.12 : x
  2. Step 2: Convert to fraction form
    79,375.04/109,529.58 = 47,543.12/x
  3. Step 3: Cross multiply
    79,375.04x = 109,529.58 × 47,543.12
  4. Step 4: Simplify right side
    79,375.04x = 5,207,377,965.49
  5. Step 5: Solve for x
    x = 5,207,377,965.49/79,375.04
  6. Step 6: Final answer
    x = 65,604.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.